18781312

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13339}}^1$

素因数の和:13364

約数の個数: 32

約数和(自身を含む): 40820400

約数和(自身を除く): 22039088

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 13339, 26678, 53356, 106712, 146729, 213424, 293458, 426848, 586916, 853696, 1173832, 1707392, 2347664, 4695328, 9390656, 18781312]

約数ペア:

[(1, 18781312), (2, 9390656), (4, 4695328), (8, 2347664), (11, 1707392), (16, 1173832), (22, 853696), (32, 586916), (44, 426848), (64, 293458), (88, 213424), (128, 146729), (176, 106712), (352, 53356), (704, 26678), (1408, 13339)]